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doc: add a restriction to multi-process support

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This patch add a restriction to multi-process support: secondary
processes should only run alongside primary process with same DPDK
version, so that secondary processes can use the same hugepage mmap
layout as primary process.

Signed-off-by: Junjie Chen <junjie.j.chen@intel.com>
Acked-by: John McNamara <john.mcnamara@intel.com>
This commit is contained in:
Junjie Chen 2017-11-29 12:17:13 -05:00 committed by Thomas Monjalon
parent e07a3ed786
commit deedc8d991
2 changed files with 8 additions and 0 deletions
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4
doc/guides/prog_guide/multi_proc_support.rst
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@ -52,6 +52,10 @@ Standalone DPDK processes are primary processes,
while secondary processes can only run alongside a primary process or
after a primary process has already configured the hugepage shared memory for them.
.. note::
Secondary processes should run alongside primary process with same DPDK version.
To support these two process types, and other multi-process setups described later,
two additional command-line parameters are available to the EAL:

4
doc/guides/tools/proc_info.rst
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@ -38,6 +38,10 @@ statistics, resetting port statistics and printing DPDK memory information.
This application extends the original functionality that was supported by
dump_cfg.
.. note::
dpdk-procinfo should run alongside primary process with same DPDK version.
Running the Application
-----------------------
The application has a number of command line options: